Home / 1,657.40-2,288.96-1,036.76

Finding the Fourth Proportional to 1,657.40, 2,288.96 and 1,036.76

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Solution

The fourth proportional to 1,657.40, 2,288.96 and 1,036.76 is: 1,431.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,657.40 : 2,288.96 = 1,036.76 : x
  2. Step 2: Convert to fraction form
    1,657.40/2,288.96 = 1,036.76/x
  3. Step 3: Cross multiply
    1,657.40x = 2,288.96 × 1,036.76
  4. Step 4: Simplify right side
    1,657.40x = 2,373,102.17
  5. Step 5: Solve for x
    x = 2,373,102.17/1,657.40
  6. Step 6: Final answer
    x = 1,431.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.